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qemu/target/ppc/spr_tcg.h

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target/ppc: turned SPR R/W callbacks not static To be able to compile translate_init.c.inc as a standalone file, we have to make the callbacks accessible outside of translate.c; This patch does exactly that Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br> Message-Id: <20210507115512.11376-1-bruno.larsen@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-07 14:55:12 +03:00
/*
* PowerPC emulation for qemu: read/write callbacks for SPRs
*
* Copyright (C) 2021 Instituto de Pesquisas Eldorado
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SPR_TCG_H
#define SPR_TCG_H
target/ppc: isolated cpu init from translation logic finished isolation of CPU initialization logic from translation logic. CPU initialization now only has common code and may or may not call accelerator-specific code, as the build options require. Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20210507115551.11436-1-bruno.larsen@eldorado.org.br> [dwg: Fix compile error with clang linux-user builds] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-07 14:55:51 +03:00
#define SPR_NOACCESS (&spr_noaccess)
target/ppc: turned SPR R/W callbacks not static To be able to compile translate_init.c.inc as a standalone file, we have to make the callbacks accessible outside of translate.c; This patch does exactly that Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br> Message-Id: <20210507115512.11376-1-bruno.larsen@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-07 14:55:12 +03:00
/* prototypes for readers and writers for SPRs */
void spr_noaccess(DisasContext *ctx, int gprn, int sprn);
void spr_read_generic(DisasContext *ctx, int gprn, int sprn);
void spr_write_generic(DisasContext *ctx, int sprn, int gprn);
target/ppc: PMU basic cycle count for pseries TCG This patch adds the barebones of the PMU logic by enabling cycle counting. The overall logic goes as follows: - MMCR0 reg initial value is set to 0x80000000 (MMCR0_FC set) to avoid having to spin the PMU right at system init; - to retrieve the events that are being profiled, pmc_get_event() will check the current MMCR0 and MMCR1 value and return the appropriate PMUEventType. For PMCs 1-4, event 0x2 is the implementation dependent value of PMU_EVENT_INSTRUCTIONS and event 0x1E is the implementation dependent value of PMU_EVENT_CYCLES. These events are supported by IBM Power chips since Power8, at least, and the Linux Perf driver makes use of these events until kernel v5.15. For PMC1, event 0xF0 is the architected PowerISA event for cycles. Event 0xFE is the architected PowerISA event for instructions; - if the counter is frozen, either via the global MMCR0_FC bit or its individual frozen counter bits, PMU_EVENT_INACTIVE is returned; - pmu_update_cycles() will go through each counter and update the values of all PMCs that are counting cycles. This function will be called every time a MMCR0 update is done to keep counters values up to date. Upcoming patches will use this function to allow the counters to be properly updated during read/write of the PMCs and MMCR1 writes. Given that the base CPU frequency is fixed at 1Ghz for both powernv and pseries clock, cycle calculation assumes that 1 nanosecond equals 1 CPU cycle. Cycle value is then calculated by adding the elapsed time, in nanoseconds, of the last cycle update done via pmu_update_cycles(). Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211201151734.654994-3-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 19:57:18 +03:00
void spr_write_MMCR0(DisasContext *ctx, int sprn, int gprn);
target/ppc: PMU: update counters on MMCR1 write MMCR1 determines the events to be sampled by the PMU. Updating the counters at every MMCR1 write ensures that we're not sampling more or less events by looking only at MMCR0 and the PMCs. It is worth noticing that both the Book3S PowerPC PMU, and this IBM Power8+ PMU that we're modeling, also uses MMCRA, MMCR2 and MMCR3 to control the PMU. These three registers aren't being handled in this initial implementation, so for now we're controlling all the PMU aspects using MMCR0, MMCR1 and the PMCs. Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211201151734.654994-5-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 19:57:18 +03:00
void spr_write_MMCR1(DisasContext *ctx, int sprn, int gprn);
target/ppc: PMU: update counters on PMCs r/w Calling pmu_update_cycles() on every PMC read/write operation ensures that the values being fetched are up to date with the current PMU state. In theory we can get away by just trapping PMCs reads, but we're going to trap PMC writes to deal with counter overflow logic later on. Let's put the required wiring for that and make our lives a bit easier in the next patches. Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211201151734.654994-4-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 19:57:18 +03:00
void spr_write_PMC(DisasContext *ctx, int sprn, int gprn);
target/ppc/power8-pmu.c: add PM_RUN_INST_CMPL (0xFA) event PM_RUN_INST_CMPL, instructions completed with the run latch set, is the architected PowerISA v3.1 event defined with PMC4SEL = 0xFA. Implement it by checking for the CTRL RUN bit before incrementing the counter. To make this work properly we also need to force a new translation block each time SPR_CTRL is written. A small tweak in pmu_increment_insns() is then needed to only increment this event if the thread has the run latch. Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211201151734.654994-8-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 19:57:18 +03:00
void spr_write_CTRL(DisasContext *ctx, int sprn, int gprn);
target/ppc: turned SPR R/W callbacks not static To be able to compile translate_init.c.inc as a standalone file, we have to make the callbacks accessible outside of translate.c; This patch does exactly that Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br> Message-Id: <20210507115512.11376-1-bruno.larsen@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-07 14:55:12 +03:00
void spr_read_xer(DisasContext *ctx, int gprn, int sprn);
void spr_write_xer(DisasContext *ctx, int sprn, int gprn);
void spr_read_lr(DisasContext *ctx, int gprn, int sprn);
void spr_write_lr(DisasContext *ctx, int sprn, int gprn);
void spr_read_ctr(DisasContext *ctx, int gprn, int sprn);
void spr_write_ctr(DisasContext *ctx, int sprn, int gprn);
void spr_read_ureg(DisasContext *ctx, int gprn, int sprn);
target/ppc: add user read/write functions for MMCR0 Userspace need access to PMU SPRs to be able to operate the PMU. One of such SPRs is MMCR0. MMCR0, as defined by PowerISA v3.1, is classified as a 'group A' PMU register. This class of registers has common read/write rules that are governed by MMCR0 PMCC bits. MMCR0 is also not fully exposed to problem state: only MMCR0_FC, MMCR0_PMAO and MMCR0_PMAE bits are readable/writable in this case. This patch exposes MMCR0 to userspace by doing the following: - two new callbacks, spr_read_MMCR0_ureg() and spr_write_MMCR0_ureg(), are added to be used as problem state read/write callbacks of UMMCR0. Both callbacks filters the amount of bits userspace is able to read/write by using a MMCR0_UREG_MASK; - problem state access control is done by the spr_groupA_read_allowed() and spr_groupA_write_allowed() helpers. These helpers will read the current PMCC bits from DisasContext and check whether the read/write MMCR0 operation is valid or noti; - to avoid putting exclusive PMU logic into the already loaded translate.c file, let's create a new 'power8-pmu-regs.c.inc' file that will hold all the spr_read/spr_write functions of PMU registers. The 'power8' name of this new file intends to hint about the proven support of the PMU logic to be added. The code has been tested with the IBM POWER chip family, POWER8 being the oldest version tested. This doesn't mean that the PMU logic will break with any other PPC64 chip that implements Book3s, but rather that we can't assert that it works properly with any Book3s compliant chip. CC: Gustavo Romero <gustavo.romero@linaro.org> Signed-off-by: Gustavo Romero <gromero@linux.ibm.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211018010133.315842-3-danielhb413@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-10-18 04:01:20 +03:00
void spr_read_MMCR0_ureg(DisasContext *ctx, int gprn, int sprn);
target/ppc: add user read/write functions for MMCR2 Similar to the previous patch, let's add problem state read/write access to the MMCR2 SPR, which is also a group A PMU SPR that needs to be filtered to be read/written by userspace. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211018010133.315842-4-danielhb413@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-10-18 04:01:21 +03:00
void spr_read_MMCR2_ureg(DisasContext *ctx, int gprn, int sprn);
target/ppc: PMU: update counters on PMCs r/w Calling pmu_update_cycles() on every PMC read/write operation ensures that the values being fetched are up to date with the current PMU state. In theory we can get away by just trapping PMCs reads, but we're going to trap PMC writes to deal with counter overflow logic later on. Let's put the required wiring for that and make our lives a bit easier in the next patches. Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211201151734.654994-4-danielhb413@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 19:57:18 +03:00
void spr_read_PMC(DisasContext *ctx, int gprn, int sprn);
target/ppc: adding user read/write functions for PMCs Problem state needs to be able to read and write the PMU counters, otherwise it won't be aware of any sampling result that the PMU produces after a Perf run. This patch does that in a similar fashion as already done in the previous patches. PMCs 5 and 6 have a special condition, aside from the constraints that are common with PMCs 1-4, where they are not part of the PMU if MMCR0_PMCC is 0b11. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211018010133.315842-5-danielhb413@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-10-18 04:01:22 +03:00
void spr_read_PMC14_ureg(DisasContext *ctx, int gprn, int sprn);
void spr_read_PMC56_ureg(DisasContext *ctx, int gprn, int sprn);
target/ppc: turned SPR R/W callbacks not static To be able to compile translate_init.c.inc as a standalone file, we have to make the callbacks accessible outside of translate.c; This patch does exactly that Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br> Message-Id: <20210507115512.11376-1-bruno.larsen@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-07 14:55:12 +03:00
void spr_read_tbl(DisasContext *ctx, int gprn, int sprn);
void spr_read_tbu(DisasContext *ctx, int gprn, int sprn);
void spr_read_atbl(DisasContext *ctx, int gprn, int sprn);
void spr_read_atbu(DisasContext *ctx, int gprn, int sprn);
void spr_read_spefscr(DisasContext *ctx, int gprn, int sprn);
void spr_write_spefscr(DisasContext *ctx, int sprn, int gprn);
target/ppc: add user read/write functions for MMCR0 Userspace need access to PMU SPRs to be able to operate the PMU. One of such SPRs is MMCR0. MMCR0, as defined by PowerISA v3.1, is classified as a 'group A' PMU register. This class of registers has common read/write rules that are governed by MMCR0 PMCC bits. MMCR0 is also not fully exposed to problem state: only MMCR0_FC, MMCR0_PMAO and MMCR0_PMAE bits are readable/writable in this case. This patch exposes MMCR0 to userspace by doing the following: - two new callbacks, spr_read_MMCR0_ureg() and spr_write_MMCR0_ureg(), are added to be used as problem state read/write callbacks of UMMCR0. Both callbacks filters the amount of bits userspace is able to read/write by using a MMCR0_UREG_MASK; - problem state access control is done by the spr_groupA_read_allowed() and spr_groupA_write_allowed() helpers. These helpers will read the current PMCC bits from DisasContext and check whether the read/write MMCR0 operation is valid or noti; - to avoid putting exclusive PMU logic into the already loaded translate.c file, let's create a new 'power8-pmu-regs.c.inc' file that will hold all the spr_read/spr_write functions of PMU registers. The 'power8' name of this new file intends to hint about the proven support of the PMU logic to be added. The code has been tested with the IBM POWER chip family, POWER8 being the oldest version tested. This doesn't mean that the PMU logic will break with any other PPC64 chip that implements Book3s, but rather that we can't assert that it works properly with any Book3s compliant chip. CC: Gustavo Romero <gustavo.romero@linaro.org> Signed-off-by: Gustavo Romero <gromero@linux.ibm.com> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211018010133.315842-3-danielhb413@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-10-18 04:01:20 +03:00
void spr_write_MMCR0_ureg(DisasContext *ctx, int sprn, int gprn);
target/ppc: add user read/write functions for MMCR2 Similar to the previous patch, let's add problem state read/write access to the MMCR2 SPR, which is also a group A PMU SPR that needs to be filtered to be read/written by userspace. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211018010133.315842-4-danielhb413@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-10-18 04:01:21 +03:00
void spr_write_MMCR2_ureg(DisasContext *ctx, int sprn, int gprn);
target/ppc: adding user read/write functions for PMCs Problem state needs to be able to read and write the PMU counters, otherwise it won't be aware of any sampling result that the PMU produces after a Perf run. This patch does that in a similar fashion as already done in the previous patches. PMCs 5 and 6 have a special condition, aside from the constraints that are common with PMCs 1-4, where they are not part of the PMU if MMCR0_PMCC is 0b11. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20211018010133.315842-5-danielhb413@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-10-18 04:01:22 +03:00
void spr_write_PMC14_ureg(DisasContext *ctx, int sprn, int gprn);
void spr_write_PMC56_ureg(DisasContext *ctx, int sprn, int gprn);
target/ppc: turned SPR R/W callbacks not static To be able to compile translate_init.c.inc as a standalone file, we have to make the callbacks accessible outside of translate.c; This patch does exactly that Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br> Message-Id: <20210507115512.11376-1-bruno.larsen@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-07 14:55:12 +03:00
#ifndef CONFIG_USER_ONLY
void spr_write_generic32(DisasContext *ctx, int sprn, int gprn);
void spr_write_clear(DisasContext *ctx, int sprn, int gprn);
void spr_access_nop(DisasContext *ctx, int sprn, int gprn);
void spr_read_decr(DisasContext *ctx, int gprn, int sprn);
void spr_write_decr(DisasContext *ctx, int sprn, int gprn);
void spr_write_tbl(DisasContext *ctx, int sprn, int gprn);
void spr_write_tbu(DisasContext *ctx, int sprn, int gprn);
void spr_write_atbl(DisasContext *ctx, int sprn, int gprn);
void spr_write_atbu(DisasContext *ctx, int sprn, int gprn);
void spr_read_ibat(DisasContext *ctx, int gprn, int sprn);
void spr_read_ibat_h(DisasContext *ctx, int gprn, int sprn);
void spr_write_ibatu(DisasContext *ctx, int sprn, int gprn);
void spr_write_ibatu_h(DisasContext *ctx, int sprn, int gprn);
void spr_write_ibatl(DisasContext *ctx, int sprn, int gprn);
void spr_write_ibatl_h(DisasContext *ctx, int sprn, int gprn);
void spr_read_dbat(DisasContext *ctx, int gprn, int sprn);
void spr_read_dbat_h(DisasContext *ctx, int gprn, int sprn);
void spr_write_dbatu(DisasContext *ctx, int sprn, int gprn);
void spr_write_dbatu_h(DisasContext *ctx, int sprn, int gprn);
void spr_write_dbatl(DisasContext *ctx, int sprn, int gprn);
void spr_write_dbatl_h(DisasContext *ctx, int sprn, int gprn);
void spr_write_sdr1(DisasContext *ctx, int sprn, int gprn);
void spr_read_40x_pit(DisasContext *ctx, int gprn, int sprn);
void spr_write_40x_pit(DisasContext *ctx, int sprn, int gprn);
void spr_write_40x_dbcr0(DisasContext *ctx, int sprn, int gprn);
void spr_write_40x_sler(DisasContext *ctx, int sprn, int gprn);
ppc/ppc405: Restore TCR and STR write handlers The 405 timers were broken when booke support was added. Assumption was made that the register numbers were the same but it's not : SPR_BOOKE_TSR (0x150) SPR_BOOKE_TCR (0x154) SPR_40x_TSR (0x3D8) SPR_40x_TCR (0x3DA) Cc: Christophe Leroy <christophe.leroy@c-s.fr> Fixes: ddd1055b07fd ("PPC: booke timers") Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20211222064025.1541490-5-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220103063441.3424853-6-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-04 09:55:34 +03:00
void spr_write_40x_tcr(DisasContext *ctx, int sprn, int gprn);
void spr_write_40x_tsr(DisasContext *ctx, int sprn, int gprn);
ppc/ppc405: Introduce a store helper for SPR_40x_PID The PID SPR of the 405 CPU contains the translation ID of the TLB which is a 8-bit field. Enforce the mask with a store helper. Cc: Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20211222064025.1541490-8-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220103063441.3424853-9-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-01-04 09:55:34 +03:00
void spr_write_40x_pid(DisasContext *ctx, int sprn, int gprn);
target/ppc: turned SPR R/W callbacks not static To be able to compile translate_init.c.inc as a standalone file, we have to make the callbacks accessible outside of translate.c; This patch does exactly that Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br> Message-Id: <20210507115512.11376-1-bruno.larsen@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-07 14:55:12 +03:00
void spr_write_booke_tcr(DisasContext *ctx, int sprn, int gprn);
void spr_write_booke_tsr(DisasContext *ctx, int sprn, int gprn);
void spr_read_403_pbr(DisasContext *ctx, int gprn, int sprn);
void spr_write_403_pbr(DisasContext *ctx, int sprn, int gprn);
void spr_write_pir(DisasContext *ctx, int sprn, int gprn);
void spr_write_excp_prefix(DisasContext *ctx, int sprn, int gprn);
void spr_write_excp_vector(DisasContext *ctx, int sprn, int gprn);
void spr_read_thrm(DisasContext *ctx, int gprn, int sprn);
void spr_write_e500_l1csr0(DisasContext *ctx, int sprn, int gprn);
void spr_write_e500_l1csr1(DisasContext *ctx, int sprn, int gprn);
void spr_write_e500_l2csr0(DisasContext *ctx, int sprn, int gprn);
void spr_write_booke206_mmucsr0(DisasContext *ctx, int sprn, int gprn);
void spr_write_booke_pid(DisasContext *ctx, int sprn, int gprn);
void spr_write_eplc(DisasContext *ctx, int sprn, int gprn);
void spr_write_epsc(DisasContext *ctx, int sprn, int gprn);
void spr_write_mas73(DisasContext *ctx, int sprn, int gprn);
void spr_read_mas73(DisasContext *ctx, int gprn, int sprn);
#ifdef TARGET_PPC64
void spr_read_cfar(DisasContext *ctx, int gprn, int sprn);
void spr_write_cfar(DisasContext *ctx, int sprn, int gprn);
void spr_write_ureg(DisasContext *ctx, int sprn, int gprn);
void spr_read_purr(DisasContext *ctx, int gprn, int sprn);
void spr_write_purr(DisasContext *ctx, int sprn, int gprn);
void spr_read_hdecr(DisasContext *ctx, int gprn, int sprn);
void spr_write_hdecr(DisasContext *ctx, int sprn, int gprn);
void spr_read_vtb(DisasContext *ctx, int gprn, int sprn);
void spr_write_vtb(DisasContext *ctx, int sprn, int gprn);
void spr_write_tbu40(DisasContext *ctx, int sprn, int gprn);
void spr_write_pidr(DisasContext *ctx, int sprn, int gprn);
void spr_write_lpidr(DisasContext *ctx, int sprn, int gprn);
void spr_read_hior(DisasContext *ctx, int gprn, int sprn);
void spr_write_hior(DisasContext *ctx, int sprn, int gprn);
void spr_write_ptcr(DisasContext *ctx, int sprn, int gprn);
void spr_write_pcr(DisasContext *ctx, int sprn, int gprn);
void spr_read_dpdes(DisasContext *ctx, int gprn, int sprn);
void spr_write_dpdes(DisasContext *ctx, int sprn, int gprn);
void spr_write_amr(DisasContext *ctx, int sprn, int gprn);
void spr_write_uamor(DisasContext *ctx, int sprn, int gprn);
void spr_write_iamr(DisasContext *ctx, int sprn, int gprn);
#endif
#endif
#ifdef TARGET_PPC64
void spr_read_prev_upper32(DisasContext *ctx, int gprn, int sprn);
void spr_write_prev_upper32(DisasContext *ctx, int sprn, int gprn);
void spr_read_tar(DisasContext *ctx, int gprn, int sprn);
void spr_write_tar(DisasContext *ctx, int sprn, int gprn);
void spr_read_tm(DisasContext *ctx, int gprn, int sprn);
void spr_write_tm(DisasContext *ctx, int sprn, int gprn);
void spr_read_tm_upper32(DisasContext *ctx, int gprn, int sprn);
void spr_write_tm_upper32(DisasContext *ctx, int sprn, int gprn);
void spr_read_ebb(DisasContext *ctx, int gprn, int sprn);
void spr_write_ebb(DisasContext *ctx, int sprn, int gprn);
void spr_read_ebb_upper32(DisasContext *ctx, int gprn, int sprn);
void spr_write_ebb_upper32(DisasContext *ctx, int sprn, int gprn);
void spr_write_hmer(DisasContext *ctx, int sprn, int gprn);
void spr_write_lpcr(DisasContext *ctx, int sprn, int gprn);
#endif
#endif
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